When a new version of Grape has been released you will receive a mail from the Grape team.
To upgrade you running instance please follow this procedure:
Read the changelog and check for compatibility issues with your running version
Read the installation notes in the email and check for upgrade recommendations for that specific versions
Stop the Grape instace
Take a snapshot of the VM
Connect to you VM (e.g. via ssh), become root
watch grape statusto see when all the necessary services are back up. This may take some minutes.
Your instance should now be running the latest version of Grape.
grape upgrade resets any custom grape-image that had been previously set with